PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-10:57:40
G02     219.6          61.8                6.3 +/-    0.80       7.1 +/-    0.80  0.060 / 0.100
G06     51.0           71.7                4.9 +/-    0.54       5.1 +/-    0.54  0.060 / 0.080
G12     319.6          39.9                4.0 +/-    0.55       5.8 +/-    0.55  0.050 / 0.070
G17     61.4           28.1                2.3 +/-    0.54       4.2 +/-    0.54  0.060 / 0.070
G19     39.5           49.5                3.9 +/-    0.66       5.0 +/-    0.66  0.050 / 0.030
G24     255.7          41.1                5.5 +/-    0.61       7.9 +/-    0.61  0.040 / 0.030
G28     124.4          12.5                4.7 +/-    2.71      12.5 +/-    2.71  0.040 / 0.050